5051222120021 has 16 divisors (see below), whose sum is σ = 6298369204608. Its totient is φ = 3935553720000.

The previous prime is 5051222119919. The next prime is 5051222120027. The reversal of 5051222120021 is 1200212221505.

It is not a de Polignac number, because 5051222120021 - 2²⁶ = 5051155011157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5051222120027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3203810 + ... + 4512963.

It is an arithmetic number, because the mean of its divisors is an integer number (393648075288).

Almost surely, 2^{5051222120021} is an apocalyptic number.

It is an amenable number.

5051222120021 is a deficient number, since it is larger than the sum of its proper divisors (1247147084587).

5051222120021 is a wasteful number, since it uses less digits than its factorization.

5051222120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7725292.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 5051222120021 its reverse (1200212221505), we get a palindrome (6251434341526).

The spelling of 5051222120021 in words is "five trillion, fifty-one billion, two hundred twenty-two million, one hundred twenty thousand, twenty-one".